SOP potassium sulphate 50 powder fertilizer and industrial for plant

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$399.00 - $849.00 / Metric Ton | 1 Metric Ton/Metric Tons (Min. Order)
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Overview
Quick Details
Classification:
Potassium Fertilizer
Type:
Potassium Sulphate
CAS No.:
232-216-8
Other Names:
SOP
MF:
K2SO4
EINECS No.:
7778-80-5
Place of Origin:
Fujian, China
Release Type:
Quick
State:
Powder
Purity:
K2O:50%
Application:
Agriculture fertilizer
Brand Name:
Vastland-potassium sulphate
Model Number:
VLSF101-potassium sulphate
Name:
hs code potassium sulphate
Supply Ability
Supply Ability:
2000 Metric Ton/Metric Tons per Month hs code potassium sulphate
Packaging & Delivery
Packaging Details
25kgs plastic woven bag, 24mts/20'FCL or according to customers' requirments.
Port
Xiamen

hs code potassium sulphate
 

Chemical Name: Potassium Sulphate

MolecularFormula : K2SO4

Molecular weight: 174.27

CAS No: 7778-80-5

 

Properties

Potassium sulfate is colorless crystals, small hygroscopicity, not easy to agglomerate. With good physical properties, convenient for application, it is a good water-soluble potash fertilizer. Potassium sulfate is chemically neutral, physiological acid fertilizer. It is a chlorine-free, high quality and efficient potash fertilizer. In particular, it is indispensable important fertilizer for the crops of tobacco, grapes, sugar beets, tea, potatoes, flax and various fruit trees which should avoid chlorine. It is also raw materials of high-quality NPK fertilizer. The density is 2.95g/cm3. Its melting point is 400°C, and flashing point is 1689°C. Solubility: 110 g/L at 20°C water,insoluble in alcohol, carbondisulfide and acetone.

 

Composition

 

ItemsSpecification
AppearanceWhite powder and granular
K2O50.0% min
Cl0.5% max
S18.0%min
Moisture0.2%max
Insoluble matters in water0.5%max

 

 

 

Benefits

  • Providing potassium to crops sensitive to chloride and salt
  • Contains a low salt index helping to avoid the plant taking up excess water
  • Mixes well with all other fertilizers

 Applications

Crops

Spraying time

Concentration

rice

In the differentiation period of young ear, the initial heading stage, full heading to grain filling stage

1%

wheat

In the differentiation period of young ear, boot stage, until full

heading time

1%

grape

In berry enlargement period

0.5%

melon vegetables

In the whole growth period, spray 3-5 times at intervals of 7-10 days

0.5%

root vegetables

In the whole growth period, spray 3-4 times at intervals of 7-10 days

0.5%- 1%

potato

40-45 days before harvest, spray 2-3 times at intervals of 10 days

1%-2%

tobacco

Start to spray 10 days before squaring, keep for 2-3 times at intervals of 10 days

1%-1.2%

 

Warning

1)      Long-term use of potassium sulphate should be used together with the manure, alkaline phosphate and lime with lower acidity, and in practice should be combined with the drainage bask in field measures to improve ventilation.

2)      In calcareous soils, we should pay attention to use more farmyard manure.

3)      Potassium sulphate should be applied with calcium-rich fertilizer

4)      Potassium sulphate should not be touched with seeds and roots directly. It can be single use, but also can be used together with other single element fertilizer.

 

Packing

 

1)25kgs plastic woven bag, 24mts/20'FCL

 

2) According to customers' requirments.

 

Storage

It must be kept in airy, cool, dry places, far from sources of heat/ignition.